Authorities said the suspect, only described as a male, walked into the bank and told a manager he had a bomb in his backpack and showed the employee a handgun. When the suspect demanded $20,000, the manager walked over to the teller station and triggered the panic button, according to police.

Police have now closed off Colesville road near scene of shooting. There is concern over a backpack or package dropped near the scene. Police say bank robbery preceded the shooting which appears to have taken place on Ramsey across from bus depot. pic.twitter.com/XndpbJ0kMQ

After a confrontation, authorities said the officer shot the suspect. The suspect was rushed to the hospital where he died, according to officials. Police said the officer was not injured during the confrontation.

Breaking. On the scene of a bank robbery and shooting in downtown Silver Spring. Businesses are being evacuated near Ramsey and Wayne across from bus depot. Police bringing in bomb squad to examine package or back pack. pic.twitter.com/gTkffVZhko